cursusje.nl - robtex.com

cursusje.nl

DNSSEC🔒 Signed (DS record present)
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.243🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSshades15.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:142🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades15.rzone.de
A185.132.34.142🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades15.rzone.de
NSdocks18.rzone.de
A2001:8d8:fe:53:5747:2a74:d:18🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks18.rzone.de
A217.160.80.145🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks18.rzone.de
MXsmtp.rzone.de ⭐
A2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtp.rzone.de
A81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtp.rzone.de
SOAshades15.rzone.dehostmaster@strato-rz.de 2023-03-09 #14

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-15 18:00:02 +0000 (EPOCH 1776276002)
SOAns1.dns.nldns@sidn.nl 2026-04-15 #36
WOT: SAFE (60/100)

Same first word

cursusje.nl

Similar names

sucesurj.com.br

DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSdocks18.rzone.deshades15.rzone.dens.domeinguru.nlns1.domeinguru.nlns41.axc.nlns42.axc.nlMXsmtp.rzone.demail.cursusje.nlmailfilter.webguru.nlA2001:8d8:100f:f000::200217.160.0.243159.253.0.19213.132.197.1832a01:238:20a:202:1158::81.169.145.158
●NSdocks18.rzone.de2026-03-13 → 2026-04-15 · 3 obs
○ 2017-07-06 21:20:42
● 2026-03-13 08:35:10
● 2026-04-15 18:43:02
○NSns.domeinguru.nl2017-07-06 → 2017-07-06 · 4 obs
○ 2016-12-06 01:01:34
● 2017-07-06 21:20:42
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02
○NSns1.domeinguru.nl2017-07-06 → 2017-07-06 · 4 obs
○ 2016-12-06 01:01:34
● 2017-07-06 21:20:42
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02
○NSns41.axc.nl2015-06-07 → 2016-12-06 · 4 obs
● 2015-06-07 10:41:14
● 2016-12-06 01:01:34
○ 2017-07-06 21:20:42
○ 2026-04-15 18:43:02
○NSns42.axc.nl2015-06-07 → 2016-12-06 · 4 obs
● 2015-06-07 10:41:14
● 2016-12-06 01:01:34
○ 2017-07-06 21:20:42
○ 2026-04-15 18:43:02
●NSshades15.rzone.de2026-03-13 → 2026-04-15 · 3 obs
○ 2017-07-06 21:20:42
● 2026-03-13 08:35:10
● 2026-04-15 18:43:02
○MXmail.cursusje.nl2015-06-07 → 2016-12-06 · 4 obs
● 2015-06-07 10:41:14
● 2016-12-06 01:01:34
○ 2017-07-06 21:20:42
○ 2026-04-15 18:43:02
○MXmailfilter.webguru.nl2017-07-06 → 2017-07-06 · 4 obs
○ 2016-12-06 01:01:34
● 2017-07-06 21:20:42
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02
●MXsmtp.rzone.de2026-03-13 → 2026-04-15 · 3 obs
○ 2017-07-06 21:20:42
● 2026-03-13 08:35:10
● 2026-04-15 18:43:02
○A159.253.0.192015-06-07 → 2016-12-06 · 4 obs
● 2015-06-07 10:41:14
● 2016-12-06 01:01:34
○ 2017-07-06 21:20:42
○ 2026-04-15 18:43:02
●A2001:8d8:100f:f000::2002026-03-13 → 2026-04-15 · 3 obs
○ 2017-07-06 21:20:42
● 2026-03-13 08:35:10
● 2026-04-15 18:43:02
○A213.132.197.1832017-07-06 → 2017-07-06 · 4 obs
○ 2016-12-06 01:01:34
● 2017-07-06 21:20:42
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02
●A217.160.0.2432026-03-13 → 2026-04-15 · 3 obs
○ 2017-07-06 21:20:42
● 2026-03-13 08:35:10
● 2026-04-15 18:43:02
○A2a01:238:20a:202:1158::2026-03-13 → 2026-04-15 · 2 obs
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02
○A81.169.145.1582026-03-13 → 2026-04-15 · 2 obs
○ 2026-03-13 08:35:10
○ 2026-04-15 18:43:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
cursusje.nldocks18.rzone.de, shades15.rzone.de-

✅ Authoritative Response

Server:217.160.80.145

NS records: docks18.rzone.de, shades15.rzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 586ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.243
AAAA12001:8d8:100f:f000::200
NS2docks18.rzone.de, shades15.rzone.de
MX1smtp.rzone.de (pri: 5)
SOA1shades15.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

cursusje.nl points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.243.

Other host names, for instance plasticosjuncaril.com, syncio.mobi, literatur-planet.de, rockparc.com and oostraconsultancy.nl share IP numbers with cursusje.nl.

Name Servers

cursusje.nl's delegation is to two name servers docks18.rzone.de and shades15.rzone.de.

cursusje.nl shares the same name server configuration as other domains, such as p-labor.com, la-vida-party-event.de, union-hoerdt.com, willms.eu and knizia.de.

cursusje.nl at least partially shares its name servers with other domains, for instance thielenet.de, adventure-crossing.de, h-nt.com, lgef.de and derteilemeister.de.

These name servers are commonly used with docks13.rzone.de, shades11.rzone.de, shades05.rzone.de, docks03.rzone.de, shades08.rzone.de, shades07.rzone.de, shades03.rzone.de, docks19.rzone.de, docks08.rzone.de and docks02.rzone.de.

Host names with two IP numbers: docks18.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:18 and 217.160.80.145; shades15.rzone.de points to 2607:f1c0:fe:53:185:132:34:142 and 185.132.34.142

Mail Servers

cursusje.nl is served by a single mail server, smtp.rzone.de.

cursusje.nl uses the same mail server setup as other domains such as carportbetaalbaar.com, mail.pvdveen.nl, koenfred19.nl, vermazen.com and lovemycar.nl.

cursusje.nl shares at least some mail servers with other domains, for instance corgeousandco.com and spf.jat-gmbh.de.

Hostname smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.